What is CVE-2026-41387?

CVE-2026-41387 is a high-severity vulnerability in Openclaw, classified under CWE-183. CVSS score: 7.8/10. Published 2026-04-28.

How severe is CVE-2026-41387?

High severity. CVSS v3 base score is 7.8 out of 10.

Vulnerability in Openclaw

CVE-2026-41387

OpenClaw before 2026.3.22 contains an incomplete host environment variable sanitization vulnerability in host-env-security-policy.json and host-env-security.ts that allows package-manager environment overrides. Attackers can exploit approv…

EPSS: 0.000 (6.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

Affected products

Openclaw — versions 0, 2026.3.22

Weakness classification (CWE)

CWE-183

References

GitHub Security Advisory (GHSA-j7p2-qcwm-94v4) (vendor-advisory, Vendor Advisory)
VulnCheck Advisory: OpenClaw < 2026.3.22 - Supply Chain Redirection via Incomplete Host Environment Sanitization (Third Party Advisory, third-party-advisory)

Frequently asked questions

What is CVE-2026-41387?: CVE-2026-41387 is a high-severity vulnerability in Openclaw, classified under CWE-183. CVSS score: 7.8/10. Published 2026-04-28.
How severe is CVE-2026-41387?: High severity. CVSS v3 base score is 7.8 out of 10.